22102001445 has 32 divisors (see below), whose sum is σ = 36231148800. Its totient is φ = 11501844480.

The previous prime is 22102001437. The next prime is 22102001489. The reversal of 22102001445 is 54410020122.

It is not a de Polignac number, because 22102001445 - 2³ = 22102001437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3670 + ... + 210279.

It is an arithmetic number, because the mean of its divisors is an integer number (1132223400).

Almost surely, 2^22102001445 is an apocalyptic number.

It is an amenable number.

22102001445 is a deficient number, since it is larger than the sum of its proper divisors (14129147355).

22102001445 is a wasteful number, since it uses less digits than its factorization.

22102001445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214125.

The product of its (nonzero) digits is 640, while the sum is 21.

Adding to 22102001445 its reverse (54410020122), we get a palindrome (76512021567).

The spelling of 22102001445 in words is "twenty-two billion, one hundred two million, one thousand, four hundred forty-five".